[Python-Dev] Adding NewType() to PEP 484

[Guido van Rossum]

Sorry, this is more meant to be the start of a discussion about the
proposed feature. And typing.py has its own upstream repo (like asyncio).

--Guido (mobile)
On May 27, 2016 12:52 PM, "Brett Cannon" <brett at python.org> wrote:

> Patches to Python's stdlib should go through bugs.python.org so it isn't
> lost in email.
>
> On Fri, May 27, 2016, 12:00 Ivan Levkivskyi <levkivskyi at gmail.com> wrote:
>
>> Hi,
>>
>> It has been proposed to enhance the typing module with a NewType function
>> that allows to define simple unique types with almost zero runtime
>> overhead.
>>
>> The PR containing actual implementation and PEP 484 update is here:
>> https://github.com/python/typing/pull/226
>>
>> Review comments are very welcome.
>>
>> Best regards,
>> Ivan
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